Book support bracket



FIG. 1 is a perspective view of the book support bracket attached to abook shown in dashed lines;

FIG. 2 is a front end elevational view of the book support bracketillustrated in FIG. 1;

FIG. 3 is a bottom plan view of the book support bracket illustrated inFIG. 1;

FIG. 4 is a left side elevational view of the book support bracket ofFIG. 1;

FIG. 5 is a rear end elevational view of the book support bracketillustrated in FIG. 1; and

FIG. 6 is a right side elevational view of the book support bracketillustrated in FIG. 1.

The broken line showing of the book in FIG. 1 is for illustrativepurposes only and forms no part of the claimed design.

The ornamental design for a book support bracket, substantially as shownand described.